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Priority to JP6817074ApriorityCriticalpatent/JPS5613295B2/ja
Priority to DE2435172Aprioritypatent/DE2435172A1/de
Priority to US05/491,093prioritypatent/US3968508A/en
Publication of JPS50160035ApublicationCriticalpatent/JPS50160035A/ja
Publication of JPS5613295B2publicationCriticalpatent/JPS5613295B2/ja